Well, it's July 12, which means (a) the Steam Summer Sale is over and (b) it's really hot outside in the northeastern U.S. This week, researchers discovered a cool new fish and named it after Darth Vader. An analysis of the DART mission suggests that while it proved that an impactor could alter the trajectory of an asteroid, it ejected boulders in unpredictable directions that could complicate other impactor missions. And archaeologists uncovered a rock art panel that could depict an elite individual from the First Dynasty.